Question

Find the indicated probability. A multiple choice test has 7 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly? answers: a) 0.275 b) 0.885 c) 0.115 d) 0.00800

Name: find the indicated probability a multiple choice test has 7 questions each of which has 5 possible answers only one of which is correct if judy who forgot to study for the test guesses on al 89976
Uploaded: 2022-02-16T06:33:02-08:00
Duration: 2 min 21 s
Channel: Shashi S
Description: find the indicated probability a multiple choice test has 7 questions each of which has 5 possible answers only one of which is correct if judy who forgot to study for the test guesses on al 89976

          Find the indicated probability.
A multiple choice test has 7 questions each of which has 5 possible
answers, only one of which is correct. If Judy, who forgot to study
for the test, guesses on all questions, what is the probability
that she will answer exactly 3 questions correctly?
answers: a) 0.275 b) 0.885 c) 0.115 d) 0.00800

Added by Marisa C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Shashi S

02/16/2022

Step 1

Step 1: Calculate the probability of getting a correct answer, which is \( \frac{1}{5} \). Show more…

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Find the indicated probability. A multiple choice test has 7 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly? answers: a) 0.275 b) 0.885 c) 0.115 d) 0.00800